Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quantas tentativas foram feitas quando os pontos contra foram 547?
 ###Tabelas: CREATE TABLE current_members (current_members_id AUTO_INCREMENT PRIMARY KEY, First District VARCHAR, Second District VARCHAR, Third District VARCHAR, Fourth District VARCHAR, Fifth District VARCHAR) CREATE TABLE headstamps_and_colour-coding (headstamps_and_colour-coding_id AUTO_INCREMENT PRIMARY KEY, Headstamp ID VARCHAR, Primer Annulus Color VARCHAR, Bullet Tip Color VARCHAR, Other Features VARCHAR, Functional Type VARCHAR) CREATE TABLE caucuses (caucuses_id AUTO_INCREMENT PRIMARY KEY, Candidate VARCHAR, State Delegate INT, Percentage VARCHAR, Delegates INT, Counties Carries INT) CREATE TABLE 2008_2009_table (2008_2009_table_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Played VARCHAR, Won VARCHAR, Drawn VARCHAR, Lost VARCHAR, Points for VARCHAR, Points against VARCHAR, Tries for VARCHAR, Tries against VARCHAR, Try bonus VARCHAR, Losing bonus VARCHAR, Points VARCHAR) CREATE TABLE stadium_and_locations (stadium_and_locations_id AUTO_INCREMENT PRIMARY KEY, Club VARCHAR, Short name VARCHAR, City VARCHAR, Stadium VARCHAR, Capacity INT)  
SELECT Tries for FROM 2008_2009_table WHERE Points against = 547